fix: line breaks and link titles in gemini
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be57431311
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BD3CE9B65916CD82
2 changed files with 127 additions and 49 deletions
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@ -9,7 +9,8 @@ mydata: 123
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- ненумерованный список, элемент 1
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- ненумерованный список, элемент 1,
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даже с продолжением
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- элемент 2
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- element 3
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@ -21,9 +22,13 @@ mydata: 123
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- [ ] Todo
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- [ ] Won't fix
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[[x] Task inside link](https://dc09.ru)
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> [!WARNING]
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>
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> Some important quote
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> continuing here \
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> With line break
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text text text `inline code` text text text
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169
src/markdown.rs
169
src/markdown.rs
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@ -16,12 +16,15 @@ pub fn compile_markdown(
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let mut gmi = create_file(gmi)?;
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let mut state = State::Start;
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let mut ol = false; // ordered list
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let mut counter: u64 = 0;
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let mut links: Vec<GmiLink<'_>> = vec![];
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for event in Parser::new_ext(&src_text, Options::all()) {
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use pulldown_cmark::Event::*;
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dbg!(&event);
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match event {
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Start(tag) => {
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use pulldown_cmark::{CodeBlockKind, HeadingLevel, Tag::*};
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@ -29,9 +32,7 @@ pub fn compile_markdown(
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match tag {
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Paragraph => {
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html.write_all(b"<p>")?;
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if state != State::Start {
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gmi.write_all(b"\r\n\r\n")?;
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}
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write_paragraph_start(&mut gmi, state)?;
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}
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Heading { level, id, .. } => {
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@ -41,95 +42,110 @@ pub fn compile_markdown(
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html.write_fmt(format_args!("<{}>", level))?;
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}
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write_paragraph_start(&mut gmi, state)?;
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let hashes = match level {
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HeadingLevel::H1 => "# ",
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HeadingLevel::H2 => "## ",
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_ => "### ",
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};
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gmi.write_all(hashes.as_bytes())?;
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state = State::GmiPrefix(hashes);
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state = State::Paragraph;
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}
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BlockQuote(_kind) => {
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html.write_all(b"<blockquote>")?;
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write_paragraph_start(&mut gmi, state)?;
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gmi.write_all(b"> ")?;
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state = State::GmiPrefix("> ");
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state = State::Quote;
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}
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CodeBlock(CodeBlockKind::Fenced(lang)) => {
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html.write_all(b"<pre><code>")?;
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// TODO: highlighting with syntect
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html.write_all(b"<pre><code>")?;
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write_paragraph_start(&mut gmi, state)?;
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gmi.write_fmt(format_args!("```{}\r\n", lang))?;
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}
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CodeBlock(CodeBlockKind::Indented) => {
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html.write_all(b"<pre><code>")?;
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write_paragraph_start(&mut gmi, state)?;
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gmi.write_all(b"```")?;
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}
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List(None) => {
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html.write_all(b"<ul>")?;
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write_paragraph_start(&mut gmi, state)?;
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state = State::Start;
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}
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List(Some(counter_start)) => {
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counter = counter_start;
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ol = true;
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if counter_start == 1 {
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html.write_all(b"<ol>")?;
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} else {
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html.write_fmt(format_args!("<ol start=\"{}\">", counter_start))?;
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}
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write_paragraph_start(&mut gmi, state)?;
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state = State::Start;
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}
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Item => {
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html.write_all(b"<li>")?;
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gmi.write_fmt(format_args!("{}. ", counter))?;
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counter += 1;
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if state != State::Start {
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gmi.write_all(b"\r\n")?;
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state = State::Paragraph;
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}
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if ol {
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gmi.write_fmt(format_args!("{}. ", counter))?;
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counter += 1;
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} else {
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gmi.write_all(b"* ")?;
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}
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}
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Strong => {
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html.write_all(b"<b>")?;
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gmi.write_all(b"**")?;
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write_inline(&mut gmi, state, "**", &mut links)?;
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}
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Emphasis => {
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html.write_all(b"<i>")?;
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gmi.write_all(b"*")?;
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write_inline(&mut gmi, state, "*", &mut links)?;
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}
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Strikethrough => {
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html.write_all(b"<s>")?;
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gmi.write_all(b"~")?;
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write_inline(&mut gmi, state, "~", &mut links)?;
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}
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Link {
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dest_url, title, ..
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} => {
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html.write_fmt(format_args!("<a href=\"{}\">{}</a>", dest_url, title))?;
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gmi.write_fmt(format_args!("{}[{}]", &title, links.len() + 1))?;
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Link { dest_url, .. } => {
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html.write_fmt(format_args!("<a href=\"{}\">", dest_url))?;
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links.push(GmiLink {
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title,
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title: String::new(),
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url: dest_url,
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});
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state = State::Link;
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}
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Image {
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dest_url, title, ..
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} => {
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html.write_fmt(format_args!(
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"<img src=\"{}\" alt=\"{}\">",
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dest_url, title
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))?;
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gmi.write_fmt(format_args!("{}[{}]", &title, links.len() + 1))?;
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Image { dest_url, .. } => {
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links.push(GmiLink {
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title,
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title: String::new(),
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url: dest_url,
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});
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state = State::Link;
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}
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Table(_align) => {
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html.write_all(b"<table>")?;
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write_paragraph_start(&mut gmi, state)?;
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// gmi ??
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}
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@ -150,6 +166,10 @@ pub fn compile_markdown(
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}
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}
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MetadataBlock(_) => {
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state = State::Metadata(state != State::Start);
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}
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other => {
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eprintln!("Unsupported tag: {:?}", other);
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}
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@ -164,10 +184,10 @@ pub fn compile_markdown(
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html.write_all(b"</p>")?;
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if !links.is_empty() {
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gmi.write_all(b"\r\n\r\n")?;
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gmi.write_all(b"\r\n")?;
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for (i, link) in links.iter().enumerate() {
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gmi.write_fmt(format_args!(
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"=> {} [{}]: {}",
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"\r\n=> {} [{}]: {}", // => https://... [1]: example
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link.url, i, link.title,
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))?;
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}
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@ -183,6 +203,7 @@ pub fn compile_markdown(
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List(ordered) => {
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if ordered {
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html.write_all(b"</ol>")?;
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ol = false;
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} else {
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html.write_all(b"</ul>")?;
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}
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@ -190,17 +211,23 @@ pub fn compile_markdown(
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Item => html.write_all(b"</li>")?,
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Strong => {
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html.write_all(b"</b>")?;
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gmi.write_all(b"**")?;
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write_inline(&mut gmi, state, "**", &mut links)?;
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}
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Emphasis => {
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html.write_all(b"</i>")?;
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gmi.write_all(b"*")?;
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write_inline(&mut gmi, state, "*", &mut links)?;
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}
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Strikethrough => {
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html.write_all(b"</s>")?;
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gmi.write_all(b"~")?;
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write_inline(&mut gmi, state, "~", &mut links)?;
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}
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Link | Image => {
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gmi.write_fmt(format_args!(
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"{}[{}]", // example[1] ...\r\n => https://... [1]: example
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links.last().unwrap().title,
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links.len(),
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))?;
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}
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Link => {}
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TableHead => html.write_all(b"</tr></thead><tbody>")?,
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TableRow => html.write_all(b"</tr>")?,
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TableCell => {
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@ -214,12 +241,27 @@ pub fn compile_markdown(
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_ => {}
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}
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state = State::Paragraph;
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match state {
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State::Metadata(false) => {
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state = State::Start;
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}
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_ => {
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state = State::Paragraph;
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}
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}
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}
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Text(text) => {
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match state {
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State::Metadata(_) => {
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// TODO: parse yaml
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continue;
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}
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_ => {}
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}
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html.write_all(text.as_bytes())?;
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gmi.write_all(text.as_bytes())?;
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write_inline(&mut gmi, state, &text, &mut links)?;
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}
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Code(code) => {
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@ -227,33 +269,39 @@ pub fn compile_markdown(
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html.write_all(code.as_bytes())?;
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html.write_all(b"</code>")?;
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gmi.write_all(b"`")?;
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gmi.write_all(code.as_bytes())?;
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gmi.write_all(b"`")?;
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write_inline(&mut gmi, state, "`", &mut links)?;
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write_inline(&mut gmi, state, &code, &mut links)?;
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write_inline(&mut gmi, state, "`", &mut links)?;
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}
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SoftBreak => {}
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SoftBreak => {
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html.write_all(b" ")?;
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write_inline(&mut gmi, state, " ", &mut links)?;
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}
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HardBreak => {
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html.write_all(b"<br>")?;
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gmi.write_all(b"\r\n")?;
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if let State::GmiPrefix(prefix) = state {
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gmi.write_all(prefix.as_bytes())?;
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if state == State::Quote {
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gmi.write_all(b"> ")?;
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}
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}
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Rule => {
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html.write_all(b"<hr>")?;
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write_paragraph_start(&mut gmi, state)?;
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gmi.write_all(b"---")?;
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}
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TaskListMarker(state) => {
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if state {
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TaskListMarker(done) => {
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if done {
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html.write_all(b"<input type=checkbox checked disabled>")?;
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gmi.write_all(b"[x]")?;
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write_inline(&mut gmi, state, "[x] ", &mut links)?;
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} else {
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html.write_all(b"<input type=checkbox disabled>")?;
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gmi.write_all(b"[ ]")?;
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write_inline(&mut gmi, state, "[ ] ", &mut links)?;
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}
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}
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@ -278,15 +326,40 @@ fn create_file(path: impl AsRef<Path>) -> std::io::Result<BufWriter<std::fs::Fil
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Ok(BufWriter::new(f))
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}
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#[inline(always)]
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fn write_paragraph_start(gmi: &mut impl std::io::Write, state: State) -> std::io::Result<()> {
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if state != State::Start && state != State::Quote {
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gmi.write_all(b"\r\n\r\n")?;
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}
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Ok(())
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}
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#[inline(always)]
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fn write_inline(
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gmi: &mut impl std::io::Write,
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state: State,
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text: &str,
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links: &mut Vec<GmiLink>,
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) -> std::io::Result<()> {
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if state == State::Link {
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links.last_mut().unwrap().title.push_str(text);
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} else {
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gmi.write_all(text.as_bytes())?;
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}
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Ok(())
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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enum State {
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Start,
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Paragraph,
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GmiPrefix(&'static str),
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Link,
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Quote,
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TableHead,
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Metadata(bool),
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}
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struct GmiLink<'link> {
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title: CowStr<'link>,
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title: String,
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url: CowStr<'link>,
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}
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